Preventing Chronic Disease | Adoption of Sodium Reduction Strategies in Small and Rural Hospitals, Illinois, 2012 - CDC
Adoption of Sodium Reduction Strategies in Small and Rural Hospitals, Illinois, 2012
Nancy Amerson, MPH; Marguerite Nelson, MS, MPH; Abigail Radcliffe, MA; Conny Moody, MBA; Lori Williams, BA; Cheryl Miles, MA
Suggested citation for this article: Amerson N, Nelson M, Radcliffe A, Moody C, Williams L, Miles C. Adoption of Sodium Reduction Strategies in Small and Rural Hospitals, Illinois, 2012. Prev Chronic Dis 2014;11:130261. DOI:http://dx.doi.org/10.5888/pcd11.130261
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Abstract
Sodium reduction strategies on a population-based level are promoted as a public health intervention. Small and rural hospitals in Illinois were funded to adopt sodium reduction strategies as an intervention, have their hospital cafeteria and vending machines assessed via an environmental scan, and participate in an evaluation. Intervention strategies to identify and to label lower-sodium foods were implemented most, and pricing strategies were implemented least among funded hospitals. The sodium reduction strategies implemented could be replicated in other small and rural hospitals, because they were done with minimal funding and with minimal barriers.
Objective
On a population-based level, policies to reduce sodium in foods served in institutional settings (eg, hospital cafeterias) are recommended to address high blood pressure (1). Approximately 65% of sodium consumed in 10 food categories comes from food obtained at a retail store (2). The hospital food environment affects patients, work site employees, and the larger community as families and visitors make food purchases in hospital facilities. With this project, we wanted to increase the adoption of sodium reduction in small and rural hospitals and to determine the factors associated with adoption of sodium reduction strategies.
Methods
Using guidance from the Centers for Disease Control and Prevention (CDC), 9 of 88 small and rural Illinois hospitals received funding to increase adoption of sodium reduction strategies in the hospital setting. A Web-based survey was deployed at 2 points during the grant funding period to identify the sodium reduction strategies in place in small and rural hospitals. The first survey was deployed to funded hospitals to identify sodium reduction strategies in place at funded hospitals as of March 1, 2012. Funded hospitals were required to form a multidisciplinary team and select at least 1 intervention strategy fromUnder Pressure: Strategies for Sodium Reduction in the Hospital Environment (1) to implement during a 4-month period. A postintervention survey was deployed to identify sodium reduction strategies in place after the intervention among funded hospitals. The survey was also sent to all unfunded hospitals to assess what, if any, sodium reduction strategies were being used.
Illinois Cardiovascular Program staff worked with staff from CDC’s Division of Nutrition, Physical Activity, and Obesity to modify a Healthy Hospitals Environmental Scan (scan) for use in Illinois’s funded small and rural hospitals. The scan was originally modified by CDC from the Nutrition Environment Measures Survey (3,4). The scan consists of approximately 200 questions and 2 areas for assessment: the cafeteria and the vending machines. Additional questions were added to the scan to collect more sodium-specific data. The Illinois Hospital Association, with permission of the funded hospitals, conducted the prescan in April 2012 before the initiative and a postscan in August 2012 at the conclusion of the grant funding.
Results
All 9 of the funded hospitals completed both surveys. An additional 21 unfunded hospitals completed a survey regarding sodium reduction activities (response rate: 21/79, 26.6%). Before the sodium reduction initiative, a combined total of 144 sodium reduction strategies were already in place at funded hospitals. Grant funding contributed to an additional 95 sodium reduction strategies being implemented among funded hospitals. The number of strategies added by each hospital ranged from 2 to 19. Table 1 highlights the differences in the number of sodium reduction strategies implemented before and after the initiative in funded hospitals. Each hospital implemented at least 1 intervention strategy from the required list.
On average, the funded hospitals were implementing 16 sodium reduction strategies per hospital before the initiative. At the conclusion, the average number of strategies per hospital increased to 27. Unfunded hospitals are implementing an average of 16 sodium reduction activities per hospital, identical to the funded sites pre-assessment. Table 2 highlights the strategies in place most often among funded hospitals after the intervention. Support from dietary councils and wellness programs from within and outside the hospital organization was cited most often as a facilitator for successful implementation. Administrative obstacles were cited most often as a barrier and included issues with contracts and timelines.
The food environment of the funded small and rural hospitals changed over the course of the intervention. The scan results showed an increase in the availability of sodium information and sodium messages in the hospitals. The number of hospitals that provide sodium information in the cafeteria, in printed brochures, and vending machines increased. Easy access to discretionary salt use (eg, salt shakers or packets on tables) remained high in funded hospitals. However, we found little to no change in pricing strategies to promote healthful food items.
Discussion
Most strategies that were implemented were from the Under Pressure guidance document. A few strategies were developed by the hospitals. Lower-sodium food options were promoted more in funded hospitals at postintervention. Funding allowed for an increase in the number of sodium reduction strategies addressed and allotted for time and effort to be directed toward increasing implementation. Messaging about healthful items increased in the cafeteria and vending machine environments.
Changing the food environment in the hospital cafeteria and vending machines by promoting lower-sodium foods can occur quickly. More effort may be needed to use pricing strategies to promote more healthful foods. This systems-level change may involve more stakeholders and require more time for it to be implemented.
The timeframe in which the intervention was implemented may have been a limitation. Funded sites were awarded in March 2012 and the intervention was completed in June 2012. The 4-month period may have limited the types of interventions attempted. Other project limitations include not examining the sodium content of meals, tracking sales of newly offered food products to monitor consumption, or evaluating whether hospitals added more lower-sodium products as choices rather than replace high-sodium products.
As a result of the sodium reduction initiative in small and rural hospitals, funded sites were able to make policy and system-level changes to affect their patients, hospital employees, and the community at large. The sodium reduction activities implemented through this initiative were done with minimal funding and with minimal barriers. These factors make replication of these activities promising in other small and rural hospitals.
Acknowledgments
The project was supported by funding from the CDC Heart Disease and Stroke Prevention Program (CDC-DP-70403-CONT12, grant no. 5U50DP000747-04, Addressing Illinois Heart Disease and Stroke Prevention).
We acknowledge the public health assistance of the following people from CDC in developing the intervention and program plan: Brook Belay, MD, MPH, Division of Nutrition, Physical Activity and Obesity, for content expertise on the hospital environmental scan; Kristy Mugavero, RN, MSN, MPH, Division for Heart Disease and Stroke Prevention, for context expertise on sodium. We also acknowledge the evaluation guidance of Alberta Mirambeau, MPH, Jan Losby, PhD, and Joanna Elmi, MPH, with the Division for Heart Disease and Stroke Prevention, CDC.
Author Information
Corresponding Author: Nancy Amerson, MPH, Division of Chronic Disease Prevention and Control, Office of Health Promotion, Illinois Department of Public Health, 535 W Jefferson St, 2nd Floor, Springfield, IL 62761. Telephone: 217-558-2637. E-mail: nancy.amerson@illinois.gov.
Author Affiliations: Marguerite Nelson, Conny Moody, Cheryl Miles, Illinois Department of Public Health, Springfield, Illinois; Abigail Radcliffe, Lori Williams, Illinois Hospital Association, Springfield, Illinois.
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